EFI / Electronic Fuel Injection Systems

Take a technological leap forward with a new electronic fuel injection system from Summit Racing. We carry many EFI systems—many self-tuning and self-learning—from...

Take a technological leap forward with a new electronic fuel injection system from Summit Racing. We carry many EFI systems—many self-tuning and self-learning—from the top players in engine performance, including MSD Ignition, Edelbrock, Holley, FAST, ACCEL, Chevrolet Performance, Quick Fuel, and more. Maximize the power, efficiency, and performance of your engine with a new electronic fuel injection system right for your application. Choose your EFI system now at Summit Racing!

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Holley Sniper 2 EFI Fuel Injection Upgrade Kits 550-511-3AE

Fuel Injection System, Sniper 2 from Sniper 1 Upgrade, Throttle body, Black, 4150 Flange, 650 hp Max, 800 CFM, Regulator, 3.5 in. Display, Kit

Part Number: SNE-550-511-3AE

Not Yet Reviewed

Estimated Ship Date: Monday 10/27/2025

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Estimated Ship Date: Monday 10/27/2025

Holley Sniper 2 EFI Fuel Injection Upgrade Kits 550-510-3AX

Fuel Injection System, Sniper 2 from Sniper 1 Upgrade, Throttle body, Polished, 4150 Flange, 650 hp Max, 800 CFM, No Pump, 3.5 in. Display, Kit

Part Number: SNE-550-510-3AX

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 10/27/2025

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Estimated Ship Date: Monday 10/27/2025

Holley Sniper 2 EFI Fuel Injection Upgrade Kits 550-510-3AE

Fuel Injection System, Sniper 2 from Sniper 1 Upgrade, Throttle body, Polished, 4150 Flange, 650 hp Max, 800 CFM, Regulator, 3.5 in. Display, Kit

Part Number: SNE-550-510-3AE

4.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 10/27/2025

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Estimated Ship Date: Monday 10/27/2025

Holley Sniper 2 EFI Fuel Injection Upgrade Kits 550-511-3AX

Fuel Injection System, Sniper 2 from Sniper 1 Upgrade, Throttle body, Black, 4150 Flange, 650 hp Max, 800 CFM, No Pump, 3.5 in. Display, Kit

Part Number: SNE-550-511-3AX

4.25 out of 5 stars ( 8 )

Estimated Ship Date: Monday 10/27/2025

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Estimated Ship Date: Monday 10/27/2025

Holley Sniper 2 EFI Fuel Injection Upgrade Kits 550-511-BAX

Fuel Injection System, Sniper 2 from Sniper 1 Upgrade, Throttle body, Black, 4150 Flange, 650 hp Max, 800 CFM, No Pump, Bluetooth, Kit

Part Number: SNE-550-511-BAX

3.6 out of 5 stars ( 5 )

Estimated Ship Date: Monday 10/27/2025

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Estimated Ship Date: Monday 10/27/2025

Holley Sniper 2 EFI Fuel Injection Upgrade Kits 550-510-BAX

Fuel Injection System, Sniper 2 from Sniper 1 Upgrade, Throttle body, Polished, 4150 Flange, 650 hp Max, 800 CFM, No Pump, Bluetooth, Kit

Part Number: SNE-550-510-BAX

Not Yet Reviewed

Estimated Ship Date: Monday 10/27/2025

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Estimated Ship Date: Monday 10/27/2025

Holley Sniper 2 EFI Fuel Injection Upgrade Kits 550-511-5AX

Fuel Injection System, Sniper 2 from Sniper 1 Upgrade, Throttle body, Black, 4150 Flange, 650 hp Max, 800 CFM, No Pump, 5 in. Display, Kit

Part Number: SNE-550-511-5AX

Not Yet Reviewed

Estimated Ship Date: Monday 10/27/2025

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Estimated Ship Date: Monday 10/27/2025

Holley Sniper 2 EFI Fuel Injection Upgrade Kits 550-510-5AE

Fuel Injection System, Sniper 2 from Sniper 1 Upgrade, Throttle body, Polished, 4150 Flange, 650 hp Max, 800 CFM, Regulator, 5 in. Display, Kit

Part Number: SNE-550-510-5AE

Not Yet Reviewed

Estimated Ship Date: Monday 10/27/2025

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Estimated Ship Date: Monday 10/27/2025

Holley Sniper 2 EFI Fuel Injection Upgrade Kits 550-510-BAE

Fuel Injection System, Sniper 2 from Sniper 1 Upgrade, Throttle body, Polished, 4150 Flange, 650 hp Max, 800 CFM, Regulator, Bluetooth, Kit

Part Number: SNE-550-510-BAE

Not Yet Reviewed

Estimated Ship Date: Monday 10/27/2025

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Estimated Ship Date: Monday 10/27/2025

Holley Sniper 2 EFI Fuel Injection Upgrade Kits 550-511-BAE

Fuel Injection System, Sniper 2 from Sniper 1 Upgrade, Throttle body, Black, 4150 Flange, 650 hp Max, 800 CFM, Regulator, Bluetooth, Kit

Part Number: SNE-550-511-BAE

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 10/27/2025

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Estimated Ship Date: Monday 10/27/2025

Holley Sniper 2 EFI Fuel Injection Upgrade Kits 550-510-5AX

Fuel Injection System, Sniper 2 from Sniper 1 Upgrade, Throttle body, Polished, 4150 Flange, 650 hp Max, 800 CFM, No Pump, 5 in. Display, Kit

Part Number: SNE-550-510-5AX

Not Yet Reviewed

Estimated Ship Date: Monday 10/27/2025

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Estimated Ship Date: Monday 10/27/2025

Holley Sniper 2 EFI Fuel Injection Upgrade Kits 550-511-5AE

Fuel Injection System, Sniper 2 from Sniper 1 Upgrade, Throttle body, Black, 4150 Flange, 650 hp Max, 800 CFM, Regulator, 5 in. Display, Kit

Part Number: SNE-550-511-5AE

Not Yet Reviewed

Estimated Ship Date: Monday 10/27/2025

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Estimated Ship Date: Monday 10/27/2025

FiTech Ultimate LS 500 HP EFI Short Cathedral Intake Fuel Injection Master Kits 76601